Full Ellipse

Set the center of the ellipse using the mouse or enter a coordinate in
the command line.

Define the major axis by clicking the endpoint of the axis, which is a
point on the ellipse. You can also enter a coordinate into the command line
or enter an angle and major radius in the format
50<30 where 50 is the major radius and 30 is the ellipse
angle.

Define the endpoint of the minor axis which is also a point on the
ellipse.